Thermocouple
Thermocouple are used as part of RTG (radioisotope thermoelectric generators) to create electricity to power equipment on Mars. The Curiosity rover has a RTG power source.
References
Wikipedia article on thermocouples.
Thermocouple are used as part of RTG (radioisotope thermoelectric generators) to create electricity to power equipment on Mars. The Curiosity rover has a RTG power source.
Wikipedia article on thermocouples.